Watch intended to be mounted on a removable support
a technology of a support and a watch, which is applied in the field of watches, can solve the problems of not being fixed to the case, not being able to retain the strap, and the user having difficulty in removing the ring to separate the strap or bracelet from the watch case, so as to facilitate the assembly/disassembly thereof, and improve the flexibility of the attachment devi
Active Publication Date: 2016-10-27
ETA SA MFG HORLOGERE SUISSE
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AI Technical Summary
Benefits of technology
The invention provides a device for attaching a watch to a bracelet or strap without needing tools or force. The force applied to unlock the device is easy to remove the watch from the case.
Problems solved by technology
The drawback of driving in the ring is that it makes it difficult for the user to remove the ring to separate the strap or bracelet from the watch case, in particular for a user who is not strong.
It is therefore difficult to change the strap.
Further, if the ring is not properly adjusted, there is a risk that it will not remain fixed to the case and retain the strap.
The assembly is then likely to come apart easily.
However, in these devices, the bezel or ring appears visibly around the watch case, which impairs the aesthetic appearance of the watch.
Each of the bracelets owned by the user to change the appearance of his watch must therefore be fitted with a mounting ring, which increases the cost of the assembly.
Further, the ring is mounted around the case on the dial side, so that it appears visibly around the watch dial, which impairs the aesthetic appearance of the watch.
Method used
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[0026]Referring to FIGS. 1 and 2, there is shown a watch 1, removably mounted on a bracelet or strap 2. As shown more clearly in FIG. 2, strap 2 has a central opening 3, of oval shape, defining two longitudinal areas 2a, 2b and two transverse areas 2c, 2d. The strap may be made of any material, such as for example leather, silicone, fabric, which may comprise internal reinforcement.
[0027]The watch comprises a watch case 4 comprising an upper portion 4a, located on the dial side, and a lower portion 4b comprising back cover 5 of case 4. Portion 4a contains, for example, a timepiece movement, with an orifice being provided for insertion of a winding stem ending in a crown 6. In the case of an electronic watch, lower portion 4b may have a housing 7 for accommodating a battery. Lower portion 4b has smaller dimensions than those of upper portion 4a to form a flat annular peripheral shoulder 8 whose role will be described below. The dimensions of upper portion 4a and lower portion 4b of c...
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A watch intended to be removably mounted on a support, including a watch case and an independent removable attachment device arranged to retain the watch case in an opening provided in the support, the watch case including an upper portion, on the dial side, and a lower portion including a back cover, the lower portion being arranged to be housed inside the opening in the support and being of smaller dimensions than those of the upper portion to form a flat peripheral shoulder. The attachment device includes a flange having a central opening arranged to receive the lower portion of the watch case and an inner rim delimiting the central opening, the inner rim being arranged to be housed inside the opening in the support. The inner rim includes a locking device for locking the attachment device on the lower portion of the watch case.
Description
[0001]This application claims priority from European Patent application 15165231.0 of Apr. 27, 2015, the entire disclosure of which is hereby incorporated herein by reference.FIELD OF THE INVENTION[0002]The present invention relates to a watch intended to be removably mounted on a support, comprising a watch case and an independent removable attachment device arranged to retain the watch case in an opening provided in the support, the watch case comprising an upper portion, on the dial side, and a lower portion comprising the back cover, said lower portion being arranged to be housed inside the opening in the support and being of smaller dimensions than those of the upper portion to form a flat peripheral shoulder.BACKGROUND OF THE INVENTION[0003]Such a watch is disclosed, for example, in FR patent 1557197. The attachment of the watch case to the strap or bracelet is achieved using a ring whose inner surface is adjusted to the diameter of the cylindrical side surface of a back-calot...
Claims
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IPC IPC(8): G04B37/14G04B37/12
CPCG04B37/12G04B37/1486A44C5/14A44C5/147G04B37/005G04B37/1413G04B37/1433
Inventor JUFER, MARTINMUELLER, ROGERKRAEHENBUEHL, DAVID BENJAMIN
Owner ETA SA MFG HORLOGERE SUISSE